February 24, 2017 Service bulletin

Electrical system: software

Chevrolet technical service bulletin PIC4935F for 2000-2017 Chevrolet Malibu, 2006-2011, 2014 Chevrolet Silverado 1500 and 2000-2017 Chevrolet Impala and others.

Bulletin number: PIC4935F
Component: Electrical system: software
Summary: This Preliminary Information communication provides information to help the dealership technicians perform a parasitic drain test for the OnStar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the OnStar system.

Owners of these vehicles have filed 36,977 complaints in the electrical category.

Vehicles covered

Chevrolet Malibu 2000-2017 2010 2011 2012 2013 2014 2015 2016 2017
Chevrolet Silverado 1500 2006-2011, 2014 2006 2007 2008 2009 2010 2011 2014
Chevrolet Impala 2000-2017 2010 2011 2012 2013 2014 2015 2016 2017
Chevrolet Tahoe 2000-2017 2010 2011 2012 2013 2014 2015 2016 2017
Chevrolet Equinox 2005-2017 2010 2011 2012 2013 2014 2015 2016 2017
GMC Sierra 1500 2014 2014
Chevrolet Silverado 2017 2017
Chevrolet Suburban 2000-2017 2010 2011 2012 2013 2014 2015 2016 2017
Chevrolet Blazer 2000-2005 2000 2001 2002 2003 2004 2005
Chevrolet Cobalt 2005-2010 2005 2006 2007 2008 2009 2010
Chevrolet Trailblazer 2002-2009 2002 2003 2004 2005 2006 2007 2008 2009
Pontiac G6 2005-2010 2005 2006 2007 2008 2009 2010
Chevrolet S10 2000-2004 2000 2001 2002 2003 2004
GMC Acadia 2007-2017 2010 2011 2012 2013 2014 2015 2016 2017
Chevrolet Traverse 2009-2017 2010 2011 2012 2013 2014 2015 2016 2017
Pontiac Grand Am 2000-2005 2000 2001 2002 2003 2004 2005
Pontiac Grand Prix 2000-2008 2001 2002 2003 2004 2005 2006 2007 2008
Chevrolet Corvette 2000-2017 2010 2011 2012 2013 2014 2015 2016 2017
GMC Yukon 2000-2017 2010 2011 2012 2013 2014 2015 2016 2017
Chevrolet Cavalier 2000-2005 2000 2001 2002 2003 2004 2005
Saturn Ion 2003-2007 2003 2004 2005 2006 2007
Chevrolet Silverado 2500 2000-2016 2009 2010 2011 2012 2013 2014 2015 2016
GMC Sierra 2017 2017
Chevrolet Cruze 2011-2017 2011 2012 2013 2014 2015 2016 2017
Chevrolet Colorado 2004-2012, 2015-2017 2008 2009 2010 2011 2012 2015 2016 2017
Buick Lesabre 2000-2006 2000 2001 2002 2003 2004 2005 2006
Chevrolet HHR 2006-2011 2006 2007 2008 2009 2010 2011
Cadillac SRX 2004-2016 2009 2010 2011 2012 2013 2014 2015 2016
GMC Terrain 2010-2017 2010 2011 2012 2013 2014 2015 2016 2017
Buick Regal 2000-2005, 2011-2017 2005 2011 2012 2013 2014 2015 2016 2017
Chevrolet Camaro 2000-2002, 2010-2017 2010 2011 2012 2013 2014 2015 2016 2017
Chevrolet Lumina 2000-2002 2000 2001 2002
GMC Jimmy 2000-2004 2000 2001 2002 2003 2004
Chevrolet Astro 2000-2005 2000 2001 2002 2003 2004 2005
Cadillac Deville 2000-2005 2000 2001 2002 2003 2004 2005
Buick Enclave 2008-2017 2010 2011 2012 2013 2014 2015 2016 2017
GMC Yukon XL 2000-2017 2010 2011 2012 2013 2014 2015 2016 2017
GMC Envoy 2000-2009 2002 2003 2004 2005 2006 2007 2008 2009
Saturn Vue 2002-2010 2003 2004 2005 2006 2007 2008 2009 2010
Chevrolet Venture 2000-2005 2000 2001 2002 2003 2004 2005

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